US Patent 7137711 Multi-user retro reflector data input
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Patent Inventor Names
Leonard Reiffel0
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Patent abstract
The apparatus uses retro-reflected light, having a fixed component (41) and a variable component (37) varied by a person, from a retro reflector (31) connected to a person to input data (37A) to an information system (13) and does this for each of several persons in the same time interval.
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US Patent 07137711 Multi-user retro reflector data input US Patent 7137711 Multi-user retro reflector data input
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Patent Number
071377110
Patent Number
71377110
Edits on 25 May, 2023
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Patent Jurisdiction
Patent Number
071377110
Date of Patent
November 21, 2006
0Patent Application Number
102037350
Date Filed
March 21, 2000
0Official Website
Patent Primary Examiner
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US Patent 07137711 Multi-user retro reflector data input
Infobox
Is a
Patent jurisdiction
Patent number
07137711
Date of patent
November 21, 2006
Patent application number
10203735
Date Filed
March 21, 2000
Patent primary examiner
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